EPA Method 8121 Analytes Back Catalog number: 81202 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2305.23-K-AN Aripiprazole, 1000µg/ml in Acetonitrile, 1ml Price on request 3447.5-100 Methomyl, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 16752-77-5 Price on request 1733.18-K-T 1,2-Benz[a]anthraquinone Price on request